|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Protobranchia
It was corrected as Nuculida by Carter et al. (2011) and Coan and Valentich-Scott (2012).
It was assigned to Bivalvia by Sepkoski (2002); to Palaeotaxodonta by Hayami and Kase (1977), Vokes (1980), Morris (1980), Gliozzi and Malatesta (1983), Ward and Blackwelder (1987), Stilwell and Zinsmeister (1992), Spencer et al. (2004), Stilwell et al. (2004) and Scholz et al. (2008); to Protobranchia by Mikkelsen and Bieler (2008); to Protobranchia by Nevesskaja (2009); to Nuculiformii by Carter et al. (2011); and to Protobranchia by Coan et al. (2000), Todd (2001), Fang and Cope (2004), Bieler and Mikkelsen (2006), Fang (2006) and Coan and Valentich-Scott (2012).
|Year||Name and author|
|1977||Nuculoida Hayami and Kase|
|1980||Nuculoida Morris p. 269|
|1980||Nuculoida Vokes p. 1|
|1983||Nuculoida Gliozzi and Malatesta p. 87|
|1987||Nuculoida Ward and Blackwelder p. 129|
|1992||Nuculoida Stilwell and Zinsmeister p. 47|
|2000||Nuculoida Coan et al. pp. 62, 70|
|2002||Nuculoida Sepkoski, Jr.|
|2004||Nuculoida Fang and Cope p. 1124|
|2004||Nuculoida Spencer et al.|
|2004||Nuculoida Stilwell et al. p. 16|
|2006||Nuculoida Bieler and Mikkelsen p. 228|
|2008||Nuculoida Mikkelsen and Bieler p. 19|
|2008||Nuculoida Scholz et al.|
|2011||Nuculida Carter et al. p. 5|
|2012||Nuculida Coan and Valentich-Scott p. 32|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.